function showWorld() {

	var theDrop = document.getElementById("location-dropdown");
	var selIndex = theDrop.selectedIndex;
	var theIdNum = theDrop.options[selIndex].value;

	if(theIdNum == "1") {
		document.getElementById("location-world").style.display = 'block';
	} else {
		document.getElementById("location-world").style.display = 'none';
	}

}